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Add filter over non generic impls

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This commit is contained in:
Guillaume Gomez 2018-07-21 12:15:32 +02:00
parent e8cca55283
commit 2bc7c03af6
3 changed files with 37 additions and 53 deletions
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82
src/librustdoc/clean/auto_trait.rs
View File

@ -16,6 +16,8 @@ use rustc::infer::InferOk;
use std::fmt::Debug;
use syntax_pos::DUMMY_SP;
use core::DocAccessLevels;
use super::*;
pub struct AutoTraitFinder<'a, 'tcx: 'a, 'rcx: 'a> {
@ -115,13 +117,38 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
_ => false,
};*/
for &trait_def_id in self.cx.all_traits.iter() {
if traits.get(&trait_def_id).is_some() {
if traits.get(&trait_def_id).is_some() ||
!self.cx.access_levels.borrow().is_doc_reachable(trait_def_id) {
continue
}
let t_name = self.cx.tcx.item_name(trait_def_id).to_string();
self.cx.tcx.for_each_relevant_impl(trait_def_id, ty, |impl_def_id| {
self.cx.tcx.infer_ctxt().enter(|infcx| {
let generics = infcx.tcx.generics_of(impl_def_id);
/*if generics.count() == 0 {
return;
}*/
let trait_ref = infcx.tcx.impl_trait_ref(impl_def_id).unwrap();
/*if !trait_ref.substs.iter().any(|x| match x.unpack() {
::rustc::ty::subst::UnpackedKind::Type(ref t) => {
match t.sty {
::rustc::ty::TypeVariants::TyParam(_) => true,
_ => false,
}
}
_ => false,
}) {
return;
}*/
if !match infcx.tcx.type_of(impl_def_id).sty {
::rustc::ty::TypeVariants::TyParam(_) => true,
_ => false,
} {
return;
}
let substs = infcx.fresh_substs_for_item(DUMMY_SP, def_id);
let ty2 = ty.subst(infcx.tcx, substs);
let param_env = param_env.subst(infcx.tcx, substs);
@ -146,50 +173,18 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
println!("==> {}", infcx.tcx.item_name(trait_def_id).to_string());
}*/
if may_apply {
if self.cx.crate_name == Some("std".to_string()) && t_name == "ToString" {
println!("may_apply: {:?}", t_name);
}
// FIXME: add crate's id before the name to avoid removing a
// trait which doesn't exist.
if traits.get(&trait_def_id).is_none() {
if self.cx.crate_name == Some("std".to_string()) && t_name == "ToString" {
println!("in!");
if self.cx.crate_name == Some("std".to_string()) {
println!("visibility: ({} {}) [{} {:?}] [{} {:?}]",
self.cx.tcx.item_name(def_id).to_string(), t_name,
impl_def_id.krate, impl_def_id.index,
trait_def_id.krate, trait_def_id.index);
println!("{:?}", infcx.tcx.visibility(impl_def_id));
println!("{:?}", infcx.tcx.visibility(trait_def_id));
}
/*if print {
println!("> {}", infcx.tcx.item_name(trait_def_id).to_string());
}*/
/*let generics = (infcx.tcx.generics_of(trait_def_id), &predicates).clean(cx);
get_path_for_type(self.cx.tcx, trait_def_id, hir::def::Def::Trait)*/
/*if let Some(i) = self.get_auto_trait_impl_for(
def_id,
name.clone(),
generics.clone(),
def_ctor,
trait_def_id,
) {
traits.insert(trait_name, i);
}*/
let mut impls = Vec::new();
::clean::inline::build_impl(&self.cx, impl_def_id, &mut impls);
/*if ::std::env::var("LOL").is_ok() {
println!("=> {} ::> {}",
infcx.tcx.item_name(trait_def_id).to_string(),
impls.len());
println!("{:?}", impls);
}*/
for impl_ in &mut impls {
if let ImplItem(ref mut i) = impl_.inner {
i.synthetic = true;
i.for_ = ty.clean(&self.cx);
//i.visibility = None;
}
//impl_.visibility = None;
if self.cx.crate_name == Some("std".to_string()) && t_name == "ToString" {
println!("**> {:?}", impl_);
}
}
//traits.insert(trait_def_id, impls);
let trait_ = hir::TraitRef {
path: get_path_for_type(infcx.tcx, trait_def_id, hir::def::Def::Trait),
ref_id: ast::DUMMY_NODE_ID,
@ -198,7 +193,6 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
.into_iter()
.map(|meth| meth.ident.to_string())
.collect();
println!("|||> {}", t_name);
traits.insert(trait_def_id, Item {
source: Span::empty(),
name: None,
@ -209,7 +203,8 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
deprecation: None,
inner: ImplItem(Impl {
unsafety: hir::Unsafety::Normal,
generics: (infcx.tcx.generics_of(trait_def_id), &Default::default()).clean(self.cx),
generics: (generics,
&tcx.predicates_of(impl_def_id)).clean(self.cx),
provided_trait_methods,
trait_: Some(trait_.clean(self.cx)),
for_: ty.clean(self.cx),
@ -279,9 +274,6 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> {
"get_auto_traits: type {:?} auto_traits {:?}",
def_id, auto_traits
);
if self.cx.crate_name == Some("std".to_string()) {
println!("((((((> {} {:?}", auto_traits.len(), auto_traits);
}
auto_traits
}

7
src/librustdoc/clean/inline.rs
View File

@ -275,10 +275,6 @@ pub fn build_impls(cx: &DocContext, did: DefId, auto_traits: bool) -> Vec<clean:
if auto_traits {
let auto_impls = get_auto_traits_with_def_id(cx, did);
let mut renderinfo = cx.renderinfo.borrow_mut();
if cx.crate_name == Some("std".to_string()) {
println!("=====> {} {:?}\n", auto_impls.len(), auto_impls);
}
let new_impls: Vec<clean::Item> = auto_impls.into_iter()
.filter(|i| renderinfo.inlined.insert(i.def_id)).collect();
@ -340,9 +336,6 @@ pub fn build_impls(cx: &DocContext, did: DefId, auto_traits: bool) -> Vec<clean:
build_impl(cx, def_id, &mut impls);
let auto_impls = get_auto_traits_with_def_id(cx, def_id);
if cx.crate_name == Some("std".to_string()) {
println!("-----> {} {:?}\n", auto_impls.len(), auto_impls);
}
let mut renderinfo = cx.renderinfo.borrow_mut();
let new_impls: Vec<clean::Item> = auto_impls.into_iter()

1
src/librustdoc/html/render.rs
View File

@ -3584,7 +3584,6 @@ fn render_assoc_items(w: &mut fmt::Formatter,
Some(v) => v,
None => return Ok(()),
};
//println!("=======> {:?}", containing_item.name);
let (non_trait, traits): (Vec<_>, _) = v.iter().partition(|i| {
/*if let Some(ref t) = i.inner_impl().trait_ {
println!("++++++> {:?}", t);